/*

    Author:          Amna Alshaerr
    Department       key skills
 */

    #include <iostream>

    using namespace std;

    int main () {
    double mark1, mark2, mark3, total, avrege;

    cout << "this program will compute for the total and average of three (3) marks.";
    cout << " /n";

    //input

    cout << "enter mark1: /n";
    cin >> mark1;

    cout << "enter mark2: /n";
    cin >> mark2;

    cout << "enter mark3: /n";
    cin >> mark3;

    //process

    total = mark1 + mark2 + mark3;
    average = total/3;

    //output
    cout << "/n-------------------------------------------------";
    cout << "/n";
    cout << "your total is:";
    cout << total;

    cout << "/n-------------------------------------------------";


    cout << "/n";
    cout << "/n-------------------------------------------------";
    cout << "your average is:";
    cout << average;
    cout << "/n-------------------------------------------------";

    return 0;

    }